
Added SUNDIALS 3.1.2 and 4.0.0-dev.1 versions and relevant dependencies (3.1.2 requires CMake 2.8.12). Updated all versions to use sha256 hashes. Addressed issue specific to clang compiler on macOS.
Added SUNDIALS 3.1.2 and 4.0.0-dev.1 versions and relevant dependencies (3.1.2 requires CMake 2.8.12). Updated all versions to use sha256 hashes. Addressed issue specific to clang compiler on macOS.